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Electrical

Discussion in 'Motorcycle Tech Talk' started by biker666, Jan 13, 2008.

  1. biker666

    biker666 Member

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    I have 1993 FLHTC coming home form work volt meter jump to 17 volts for two blocks then drop back to 14 volts were its runs . and jump to 17 volts again and drop back to 14 volts. HELP HELP
    biker666, Jan 13, 2008
    #1
  3. whacker

    whacker Active Member

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    Sounds like a bad voltage regulator to me
    whacker, Jan 13, 2008
    #2
  4. chucktx

    chucktx Moderator Staff Member

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    if you have a volt meter and know how to use it, check voltage at the battery with the engine running. if the on board voltmeter and hand held are reading the same, the the problem may be the vr. if not, the voltmeter may be the problem....there are step by steps in the service manual....have fun, hope this helps....:)
    chucktx, Jan 13, 2008
    #3
  5. ironhorse

    ironhorse Active Member

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    have also seen a shorted battey cause voltage spikes on equip. before (plates viberate and short out)
    ironhorse, Jan 14, 2008
    #4
  6. hotroadking

    hotroadking Super Moderator Staff Member

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    Take the battery to an auto parts store they will load test it for free, that way you can check the battery,

    Then do the VR test as described above or visa versa. Whichever you choose sounds like a bad vr.
    hotroadking, Jan 14, 2008
    #5
  7. biker666

    biker666 Member

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    I got check out its the regulator .never had regulator over charger befor.thank for the help
    biker666, Jan 14, 2008
    #6
  8. chucktx

    chucktx Moderator Staff Member

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    glad ya found the problem!!!.....:)
    chucktx, Jan 14, 2008
    #7

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